Know Your Environment. Protect Your Health.

Chloromethane

Skyline Terrace Subdivision

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND30ND
2022ND20ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-14AE13764ND
2018-02-14AE13780ND
2019-06-26AE72285ND
2019-06-26AE72289ND
2020-05-06AF09507ND
2020-05-06AF09509ND
2021-04-28AF51524ND
2021-06-15AF58090ND
2021-11-03AF75595ND
2022-03-16AF89395ND
2022-03-28AF90722ND
2023-01-12AG24396ND
2023-01-12AG24398ND